startList = function() {
if (document.all&&document.getElementById) {
  navRoot = document.getElementById("nav");
  for (i=0; i<navRoot.childNodes.length; i++) {
	node = navRoot.childNodes[i];
	if (node.nodeName=="LI") {
	  node.onmouseover=function() {
		this.className+=" over";
	  }
	  node.onmouseout=function() {
		this.className=this.className.replace(" over", "");
	  }
	}
  }
}
}
window.onload=startList;